diff -ur a/foo/bar/math.txt b/foo/bar/math.txt
--- a/foo/bar/math.txt	2018-04-09 18:43:52.883205365 -0500
+++ b/foo/bar/math.txt	2018-04-09 18:44:58.525061654 -0500
@@ -1,3 +1,3 @@
-Five plus five is ten
+5 + 5 = {{ ten }}

-Four squared is sixteen
+4² = 16
diff -ur a/foo/numbers.txt b/foo/numbers.txt
--- a/foo/numbers.txt	2018-04-09 18:43:58.014272504 -0500
+++ b/foo/numbers.txt	2018-04-09 18:44:46.487905044 -0500
@@ -1,7 +1,7 @@
-one
-two
 three
+{{ two }}
+one

-1
-2
 3
+2
+1
